/*
 * Copyright (c) 2009-2020 Weasis Team and other contributors.
 *
 * This program and the accompanying materials are made available under the terms of the Eclipse
 * Public License 2.0 which is available at https://www.eclipse.org/legal/epl-2.0, or the Apache
 * License, Version 2.0 which is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 */
package org.weasis.core.api.media.data;

import java.util.Collections;
import java.util.Comparator;

public abstract class SeriesComparator<T> implements Comparator<T> {
  private Comparator<T> inverse;

  public final Comparator<T> getReversOrderComparator() {
    if (inverse == null) {
      inverse = Collections.reverseOrder(this);
    }
    return inverse;
  }
}
